5/16″ Cobalt Jobber Length Drill Bit – High-Speed Steel, 135° Split Point

This 5/16 inch jobber length drill bit is made of high-speed steel with a cobalt finish for enhanced durability and heat resistance. Designed with a 135° split point, it ensures precise starts and excellent cutting performance on hard metals. Perfect for drilling tough materials such as stainless steel, cast iron, and other hard alloys. Ideal for industrial and professional applications requiring a long-lasting, reliable drill bit.